ILWIS 3.4 (part of ILWIS family)
most powerful raster GIS processor and image handler (my opinion)
just conquest it “command line bar”
and your incredible idea will flowing smoothly
learn this
http://www.ziddu.com/download/2169972/Turorial_ILWIS_B.pdf.html
this stuff is created by Y BUdi sulistioadi (thank lot pak for the knowledge)
this software is legal!!!!
